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    <link:label id="lab_mms_HealthServicesMember_A5395FDF4A4AAFCC3E2C6E719819601D_documentation_en-US" xlink:label="lab_mms_HealthServicesMember_A5395FDF4A4AAFCC3E2C6E719819601D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the Health Services segment of the entity.</link:label>
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    <link:label id="lab_mms_AcentiaLlcMember_360F3928A6088719042C6E7198198F71_terseLabel_en-US" xlink:label="lab_mms_AcentiaLlcMember_360F3928A6088719042C6E7198198F71" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acentia</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredCharges" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredCharges_457B9442EB6016D252296E164A96CE7B" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_9894CABA59BE49DFD98F6E164A96F625" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_921E5E5C56CC637EC8376E164A9804AA_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_921E5E5C56CC637EC8376E164A9804AA" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Tax withholding related to RSU vesting</link:label>
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    <link:label id="lab_mms_SwinglineLoansMember_0A944CD37896C44F6066731220EE82DD_terseLabel_en-US" xlink:label="lab_mms_SwinglineLoansMember_0A944CD37896C44F6066731220EE82DD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swingline loans</link:label>
    <link:label id="lab_mms_SwinglineLoansMember_0A944CD37896C44F6066731220EE82DD_label_en-US" xlink:label="lab_mms_SwinglineLoansMember_0A944CD37896C44F6066731220EE82DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swingline Loans [Member]</link:label>
    <link:label id="lab_mms_SwinglineLoansMember_0A944CD37896C44F6066731220EE82DD_documentation_en-US" xlink:label="lab_mms_SwinglineLoansMember_0A944CD37896C44F6066731220EE82DD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the swingline loans taken by the entity from the bank.</link:label>
    <link:loc xlink:href="mms-20160930.xsd#mms_SwinglineLoansMember" xlink:label="loc_mms_SwinglineLoansMember_0A944CD37896C44F6066731220EE82DD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mms_SwinglineLoansMember_0A944CD37896C44F6066731220EE82DD" xlink:to="lab_mms_SwinglineLoansMember_0A944CD37896C44F6066731220EE82DD" xlink:type="arc" />
    <link:label id="lab_us-gaap_LetterOfCreditMember_F98FE131BEF7CE02A184731220EE82C0_terseLabel_en-US" xlink:label="lab_us-gaap_LetterOfCreditMember_F98FE131BEF7CE02A184731220EE82C0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Letters of credit</link:label>
    <link:label id="lab_us-gaap_LetterOfCreditMember_F98FE131BEF7CE02A184731220EE82C0_label_en-US" xlink:label="lab_us-gaap_LetterOfCreditMember_F98FE131BEF7CE02A184731220EE82C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letter of Credit [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LetterOfCreditMember" xlink:label="loc_us-gaap_LetterOfCreditMember_F98FE131BEF7CE02A184731220EE82C0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LetterOfCreditMember_F98FE131BEF7CE02A184731220EE82C0" xlink:to="lab_us-gaap_LetterOfCreditMember_F98FE131BEF7CE02A184731220EE82C0" xlink:type="arc" />
    <link:label id="lab_mms_AtlanticInnovationFundOfCanadaLoanMember_5876F6FC2F61B9B41970731220EED9D6_terseLabel_en-US" xlink:label="lab_mms_AtlanticInnovationFundOfCanadaLoanMember_5876F6FC2F61B9B41970731220EED9D6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Atlantic Innovation Fund of Canada</link:label>
    <link:label id="lab_mms_AtlanticInnovationFundOfCanadaLoanMember_5876F6FC2F61B9B41970731220EED9D6_label_en-US" xlink:label="lab_mms_AtlanticInnovationFundOfCanadaLoanMember_5876F6FC2F61B9B41970731220EED9D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Atlantic Innovation Fund Of Canada Loan [Member]</link:label>
    <link:label id="lab_mms_AtlanticInnovationFundOfCanadaLoanMember_5876F6FC2F61B9B41970731220EED9D6_documentation_en-US" xlink:label="lab_mms_AtlanticInnovationFundOfCanadaLoanMember_5876F6FC2F61B9B41970731220EED9D6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the loan with Atlantic Innovation Fund of Canada.</link:label>
    <link:loc xlink:href="mms-20160930.xsd#mms_AtlanticInnovationFundOfCanadaLoanMember" xlink:label="loc_mms_AtlanticInnovationFundOfCanadaLoanMember_5876F6FC2F61B9B41970731220EED9D6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mms_AtlanticInnovationFundOfCanadaLoanMember_5876F6FC2F61B9B41970731220EED9D6" xlink:to="lab_mms_AtlanticInnovationFundOfCanadaLoanMember_5876F6FC2F61B9B41970731220EED9D6" xlink:type="arc" />
    <link:label id="lab_mms_FinancialInstitutionLetterOfCreditMember_735F953C9F302F1E1AB0731220EEDFBB_terseLabel_en-US" xlink:label="lab_mms_FinancialInstitutionLetterOfCreditMember_735F953C9F302F1E1AB0731220EEDFBB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Letters of credit (Other than Revolving Credit Agreement)</link:label>
    <link:label id="lab_mms_FinancialInstitutionLetterOfCreditMember_735F953C9F302F1E1AB0731220EEDFBB_label_en-US" xlink:label="lab_mms_FinancialInstitutionLetterOfCreditMember_735F953C9F302F1E1AB0731220EEDFBB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Institution Letter Of Credit [Member]</link:label>
    <link:label id="lab_mms_FinancialInstitutionLetterOfCreditMember_735F953C9F302F1E1AB0731220EEDFBB_documentation_en-US" xlink:label="lab_mms_FinancialInstitutionLetterOfCreditMember_735F953C9F302F1E1AB0731220EEDFBB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents a letter of credit issued by another financial institution other than the lenders covered under the Revolving Credit Agreement.</link:label>
    <link:loc xlink:href="mms-20160930.xsd#mms_FinancialInstitutionLetterOfCreditMember" xlink:label="loc_mms_FinancialInstitutionLetterOfCreditMember_735F953C9F302F1E1AB0731220EEDFBB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mms_FinancialInstitutionLetterOfCreditMember_735F953C9F302F1E1AB0731220EEDFBB" xlink:to="lab_mms_FinancialInstitutionLetterOfCreditMember_735F953C9F302F1E1AB0731220EEDFBB" xlink:type="arc" />
    <link:label id="lab_us-gaap_RangeAxis_DCEAD5635400A43DFB3A731220EE8F2E_terseLabel_en-US" xlink:label="lab_us-gaap_RangeAxis_DCEAD5635400A43DFB3A731220EE8F2E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range [Axis]</link:label>
    <link:label id="lab_us-gaap_RangeAxis_DCEAD5635400A43DFB3A731220EE8F2E_label_en-US" xlink:label="lab_us-gaap_RangeAxis_DCEAD5635400A43DFB3A731220EE8F2E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_DCEAD5635400A43DFB3A731220EE8F2E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RangeAxis_DCEAD5635400A43DFB3A731220EE8F2E" xlink:to="lab_us-gaap_RangeAxis_DCEAD5635400A43DFB3A731220EE8F2E" xlink:type="arc" />
    <link:label id="lab_us-gaap_RangeMember_996864C978A2EDE5A606731220EE255E_terseLabel_en-US" xlink:label="lab_us-gaap_RangeMember_996864C978A2EDE5A606731220EE255E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range [Domain]</link:label>
    <link:label id="lab_us-gaap_RangeMember_996864C978A2EDE5A606731220EE255E_label_en-US" xlink:label="lab_us-gaap_RangeMember_996864C978A2EDE5A606731220EE255E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_996864C978A2EDE5A606731220EE255E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RangeMember_996864C978A2EDE5A606731220EE255E" xlink:to="lab_us-gaap_RangeMember_996864C978A2EDE5A606731220EE255E" xlink:type="arc" />
    <link:label id="lab_us-gaap_MinimumMember_7A727BA72410E01786AD731220EFF02E_terseLabel_en-US" xlink:label="lab_us-gaap_MinimumMember_7A727BA72410E01786AD731220EFF02E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum</link:label>
    <link:label id="lab_us-gaap_MinimumMember_7A727BA72410E01786AD731220EFF02E_label_en-US" xlink:label="lab_us-gaap_MinimumMember_7A727BA72410E01786AD731220EFF02E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_7A727BA72410E01786AD731220EFF02E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MinimumMember_7A727BA72410E01786AD731220EFF02E" xlink:to="lab_us-gaap_MinimumMember_7A727BA72410E01786AD731220EFF02E" xlink:type="arc" />
    <link:label id="lab_us-gaap_MaximumMember_F1DE956CC49FA46AFBDF731220EF38A0_terseLabel_en-US" xlink:label="lab_us-gaap_MaximumMember_F1DE956CC49FA46AFBDF731220EF38A0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum</link:label>
    <link:label id="lab_us-gaap_MaximumMember_F1DE956CC49FA46AFBDF731220EF38A0_label_en-US" xlink:label="lab_us-gaap_MaximumMember_F1DE956CC49FA46AFBDF731220EF38A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_F1DE956CC49FA46AFBDF731220EF38A0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MaximumMember_F1DE956CC49FA46AFBDF731220EF38A0" xlink:to="lab_us-gaap_MaximumMember_F1DE956CC49FA46AFBDF731220EF38A0" xlink:type="arc" />
    <link:label id="lab_us-gaap_CreditFacilityAxis_94C81A4DA9C6F82B9EEF731220EF78AF_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_94C81A4DA9C6F82B9EEF731220EF78AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Facility [Axis]</link:label>
    <link:label id="lab_us-gaap_CreditFacilityAxis_94C81A4DA9C6F82B9EEF731220EF78AF_label_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_94C81A4DA9C6F82B9EEF731220EF78AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_94C81A4DA9C6F82B9EEF731220EF78AF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityAxis_94C81A4DA9C6F82B9EEF731220EF78AF" xlink:to="lab_us-gaap_CreditFacilityAxis_94C81A4DA9C6F82B9EEF731220EF78AF" xlink:type="arc" />
    <link:label id="lab_us-gaap_CreditFacilityDomain_1C78AA849B1427C4E4A6731220EFB6B0_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_1C78AA849B1427C4E4A6731220EFB6B0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Facility [Domain]</link:label>
    <link:label id="lab_us-gaap_CreditFacilityDomain_1C78AA849B1427C4E4A6731220EFB6B0_label_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_1C78AA849B1427C4E4A6731220EFB6B0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_1C78AA849B1427C4E4A6731220EFB6B0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityDomain_1C78AA849B1427C4E4A6731220EFB6B0" xlink:to="lab_us-gaap_CreditFacilityDomain_1C78AA849B1427C4E4A6731220EFB6B0" xlink:type="arc" />
    <link:label id="lab_mms_U.sDollarBorrowingsMember_27B213FF44F0D265960B731220EFC89D_terseLabel_en-US" xlink:label="lab_mms_U.sDollarBorrowingsMember_27B213FF44F0D265960B731220EFC89D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">U.S Dollar Borrowings</link:label>
    <link:label id="lab_mms_U.sDollarBorrowingsMember_27B213FF44F0D265960B731220EFC89D_label_en-US" xlink:label="lab_mms_U.sDollarBorrowingsMember_27B213FF44F0D265960B731220EFC89D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">U.s Dollar Borrowings [Member]</link:label>
    <link:label id="lab_mms_U.sDollarBorrowingsMember_27B213FF44F0D265960B731220EFC89D_documentation_en-US" xlink:label="lab_mms_U.sDollarBorrowingsMember_27B213FF44F0D265960B731220EFC89D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the U.S Dollar borrowings.</link:label>
    <link:loc xlink:href="mms-20160930.xsd#mms_U.sDollarBorrowingsMember" xlink:label="loc_mms_U.sDollarBorrowingsMember_27B213FF44F0D265960B731220EFC89D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mms_U.sDollarBorrowingsMember_27B213FF44F0D265960B731220EFC89D" xlink:to="lab_mms_U.sDollarBorrowingsMember_27B213FF44F0D265960B731220EFC89D" xlink:type="arc" />
    <link:label id="lab_us-gaap_VariableRateAxis_A931EEE8CC71CCDFAD53731220EF622D_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateAxis_A931EEE8CC71CCDFAD53731220EF622D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable Rate [Axis]</link:label>
    <link:label id="lab_us-gaap_VariableRateAxis_A931EEE8CC71CCDFAD53731220EF622D_label_en-US" xlink:label="lab_us-gaap_VariableRateAxis_A931EEE8CC71CCDFAD53731220EF622D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Rate [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_A931EEE8CC71CCDFAD53731220EF622D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableRateAxis_A931EEE8CC71CCDFAD53731220EF622D" xlink:to="lab_us-gaap_VariableRateAxis_A931EEE8CC71CCDFAD53731220EF622D" xlink:type="arc" />
    <link:label id="lab_us-gaap_VariableRateDomain_53559E7DECD8A3926D9B731220EF14D5_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateDomain_53559E7DECD8A3926D9B731220EF14D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable Rate [Domain]</link:label>
    <link:label id="lab_us-gaap_VariableRateDomain_53559E7DECD8A3926D9B731220EF14D5_label_en-US" xlink:label="lab_us-gaap_VariableRateDomain_53559E7DECD8A3926D9B731220EF14D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Rate [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_53559E7DECD8A3926D9B731220EF14D5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableRateDomain_53559E7DECD8A3926D9B731220EF14D5" xlink:to="lab_us-gaap_VariableRateDomain_53559E7DECD8A3926D9B731220EF14D5" xlink:type="arc" />
    <link:label id="lab_us-gaap_BaseRateMember_0813B57357E00B01BC59731220EF2E54_terseLabel_en-US" xlink:label="lab_us-gaap_BaseRateMember_0813B57357E00B01BC59731220EF2E54" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Base Rate</link:label>
    <link:label id="lab_us-gaap_BaseRateMember_0813B57357E00B01BC59731220EF2E54_label_en-US" xlink:label="lab_us-gaap_BaseRateMember_0813B57357E00B01BC59731220EF2E54" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Base Rate [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BaseRateMember" xlink:label="loc_us-gaap_BaseRateMember_0813B57357E00B01BC59731220EF2E54" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BaseRateMember_0813B57357E00B01BC59731220EF2E54" xlink:to="lab_us-gaap_BaseRateMember_0813B57357E00B01BC59731220EF2E54" xlink:type="arc" />
    <link:label id="lab_mms_EurocurrencyRateMember_D52084C6404A02F0E787731220EFA80F_terseLabel_en-US" xlink:label="lab_mms_EurocurrencyRateMember_D52084C6404A02F0E787731220EFA80F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Eurocurrency Rate</link:label>
    <link:label id="lab_mms_EurocurrencyRateMember_D52084C6404A02F0E787731220EFA80F_label_en-US" xlink:label="lab_mms_EurocurrencyRateMember_D52084C6404A02F0E787731220EFA80F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Eurocurrency Rate [Member]</link:label>
    <link:label id="lab_mms_EurocurrencyRateMember_D52084C6404A02F0E787731220EFA80F_documentation_en-US" xlink:label="lab_mms_EurocurrencyRateMember_D52084C6404A02F0E787731220EFA80F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the Eurocurrency rate used to calculate the variable interest rate of the debt instrument.</link:label>
    <link:loc xlink:href="mms-20160930.xsd#mms_EurocurrencyRateMember" xlink:label="loc_mms_EurocurrencyRateMember_D52084C6404A02F0E787731220EFA80F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mms_EurocurrencyRateMember_D52084C6404A02F0E787731220EFA80F" xlink:to="lab_mms_EurocurrencyRateMember_D52084C6404A02F0E787731220EFA80F" xlink:type="arc" />
    <link:label id="lab_mms_IndexRateMember_D3B5B638D95123791357731220EF252E_terseLabel_en-US" xlink:label="lab_mms_IndexRateMember_D3B5B638D95123791357731220EF252E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Index Rate</link:label>
    <link:label id="lab_mms_IndexRateMember_D3B5B638D95123791357731220EF252E_label_en-US" xlink:label="lab_mms_IndexRateMember_D3B5B638D95123791357731220EF252E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Index Rate [Member]</link:label>
    <link:label id="lab_mms_IndexRateMember_D3B5B638D95123791357731220EF252E_documentation_en-US" xlink:label="lab_mms_IndexRateMember_D3B5B638D95123791357731220EF252E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the index rate used to calculate the variable interest rate of the debt instrument.</link:label>
    <link:loc xlink:href="mms-20160930.xsd#mms_IndexRateMember" xlink:label="loc_mms_IndexRateMember_D3B5B638D95123791357731220EF252E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mms_IndexRateMember_D3B5B638D95123791357731220EF252E" xlink:to="lab_mms_IndexRateMember_D3B5B638D95123791357731220EF252E" xlink:type="arc" />
    <link:label id="lab_us-gaap_BalanceSheetLocationAxis_241CB6F240F5CE7EB1C3731220F01A8C_terseLabel_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationAxis_241CB6F240F5CE7EB1C3731220F01A8C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Axis]</link:label>
    <link:label id="lab_us-gaap_BalanceSheetLocationAxis_241CB6F240F5CE7EB1C3731220F01A8C_label_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationAxis_241CB6F240F5CE7EB1C3731220F01A8C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_241CB6F240F5CE7EB1C3731220F01A8C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_241CB6F240F5CE7EB1C3731220F01A8C" xlink:to="lab_us-gaap_BalanceSheetLocationAxis_241CB6F240F5CE7EB1C3731220F01A8C" xlink:type="arc" />
    <link:label id="lab_us-gaap_BalanceSheetLocationDomain_05D1AE4C156DB6671A86731220F0903F_terseLabel_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationDomain_05D1AE4C156DB6671A86731220F0903F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Domain]</link:label>
    <link:label id="lab_us-gaap_BalanceSheetLocationDomain_05D1AE4C156DB6671A86731220F0903F_label_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationDomain_05D1AE4C156DB6671A86731220F0903F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_05D1AE4C156DB6671A86731220F0903F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_05D1AE4C156DB6671A86731220F0903F" xlink:to="lab_us-gaap_BalanceSheetLocationDomain_05D1AE4C156DB6671A86731220F0903F" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesMember_96D70C7B79B566175BE7731220F05348_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesMember_96D70C7B79B566175BE7731220F05348" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable and Accrued liabilities</link:label>
    <link:label id="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesMember_96D70C7B79B566175BE7731220F05348_label_en-US" xlink:label="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesMember_96D70C7B79B566175BE7731220F05348" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Payable and Accrued Liabilities [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesMember" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesMember_96D70C7B79B566175BE7731220F05348" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesMember_96D70C7B79B566175BE7731220F05348" xlink:to="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesMember_96D70C7B79B566175BE7731220F05348" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_C1052ED1AFF10983156F731220F06EC8_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_C1052ED1AFF10983156F731220F06EC8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_C1052ED1AFF10983156F731220F06EC8_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_C1052ED1AFF10983156F731220F06EC8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_C1052ED1AFF10983156F731220F06EC8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentLineItems_C1052ED1AFF10983156F731220F06EC8" xlink:to="lab_us-gaap_DebtInstrumentLineItems_C1052ED1AFF10983156F731220F06EC8" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8F0DD2657C132DE0DBD0731220F0E829_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8F0DD2657C132DE0DBD0731220F0E829" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum borrowing capacity</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8F0DD2657C132DE0DBD0731220F0E829_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8F0DD2657C132DE0DBD0731220F0E829" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8F0DD2657C132DE0DBD0731220F0E829" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8F0DD2657C132DE0DBD0731220F0E829" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8F0DD2657C132DE0DBD0731220F0E829" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCredit_68A861581307A613763A731220F09297_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_68A861581307A613763A731220F09297" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:label id="lab_us-gaap_LineOfCredit_68A861581307A613763A731220F09297_label_en-US" xlink:label="lab_us-gaap_LineOfCredit_68A861581307A613763A731220F09297" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Line of Credit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_68A861581307A613763A731220F09297" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCredit_68A861581307A613763A731220F09297" xlink:to="lab_us-gaap_LineOfCredit_68A861581307A613763A731220F09297" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestExpense_06FE96EEB41F93C60B6A731220F067D9_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpense_06FE96EEB41F93C60B6A731220F067D9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest expense</link:label>
    <link:label id="lab_us-gaap_InterestExpense_06FE96EEB41F93C60B6A731220F067D9_label_en-US" xlink:label="lab_us-gaap_InterestExpense_06FE96EEB41F93C60B6A731220F067D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_06FE96EEB41F93C60B6A731220F067D9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpense_06FE96EEB41F93C60B6A731220F067D9" xlink:to="lab_us-gaap_InterestExpense_06FE96EEB41F93C60B6A731220F067D9" xlink:type="arc" />
    <link:label id="lab_mms_DebtInstrumentNumberofRemainingPeriodicPayments_B33FED600014AC1E101B731220F06877_terseLabel_en-US" xlink:label="lab_mms_DebtInstrumentNumberofRemainingPeriodicPayments_B33FED600014AC1E101B731220F06877" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of remaining quarterly installments</link:label>
    <link:label id="lab_mms_DebtInstrumentNumberofRemainingPeriodicPayments_B33FED600014AC1E101B731220F06877_label_en-US" xlink:label="lab_mms_DebtInstrumentNumberofRemainingPeriodicPayments_B33FED600014AC1E101B731220F06877" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Number of Remaining Periodic Payments</link:label>
    <link:label id="lab_mms_DebtInstrumentNumberofRemainingPeriodicPayments_B33FED600014AC1E101B731220F06877_documentation_en-US" xlink:label="lab_mms_DebtInstrumentNumberofRemainingPeriodicPayments_B33FED600014AC1E101B731220F06877" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument, Number of Remaining Periodic Payments</link:label>
    <link:loc xlink:href="mms-20160930.xsd#mms_DebtInstrumentNumberofRemainingPeriodicPayments" xlink:label="loc_mms_DebtInstrumentNumberofRemainingPeriodicPayments_B33FED600014AC1E101B731220F06877" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mms_DebtInstrumentNumberofRemainingPeriodicPayments_B33FED600014AC1E101B731220F06877" xlink:to="lab_mms_DebtInstrumentNumberofRemainingPeriodicPayments_B33FED600014AC1E101B731220F06877" xlink:type="arc" />
    <link:label id="lab_mms_LettersOfCreditIssuedNumber_B6A1283158C98A66D22E731220F02853_terseLabel_en-US" xlink:label="lab_mms_LettersOfCreditIssuedNumber_B6A1283158C98A66D22E731220F02853" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of letters of credit issued</link:label>
    <link:label id="lab_mms_LettersOfCreditIssuedNumber_B6A1283158C98A66D22E731220F02853_label_en-US" xlink:label="lab_mms_LettersOfCreditIssuedNumber_B6A1283158C98A66D22E731220F02853" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letters of Credit Issued, Number</link:label>
    <link:label id="lab_mms_LettersOfCreditIssuedNumber_B6A1283158C98A66D22E731220F02853_documentation_en-US" xlink:label="lab_mms_LettersOfCreditIssuedNumber_B6A1283158C98A66D22E731220F02853" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of letters of credit issued by the entity.</link:label>
    <link:loc xlink:href="mms-20160930.xsd#mms_LettersOfCreditIssuedNumber" xlink:label="loc_mms_LettersOfCreditIssuedNumber_B6A1283158C98A66D22E731220F02853" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mms_LettersOfCreditIssuedNumber_B6A1283158C98A66D22E731220F02853" xlink:to="lab_mms_LettersOfCreditIssuedNumber_B6A1283158C98A66D22E731220F02853" xlink:type="arc" />
    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_48A1F579BABFACD9ADED731220F0CE26_terseLabel_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_48A1F579BABFACD9ADED731220F0CE26" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outstanding borrowings</link:label>
    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_48A1F579BABFACD9ADED731220F0CE26_label_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_48A1F579BABFACD9ADED731220F0CE26" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letters of Credit Outstanding, Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_48A1F579BABFACD9ADED731220F0CE26" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LettersOfCreditOutstandingAmount_48A1F579BABFACD9ADED731220F0CE26" xlink:to="lab_us-gaap_LettersOfCreditOutstandingAmount_48A1F579BABFACD9ADED731220F0CE26" xlink:type="arc" />
    <link:label id="lab_mms_DebtInstrumentCovenantConsolidatedLeverageRatio_C28DEE53C53B5E63776B731220F01346_terseLabel_en-US" xlink:label="lab_mms_DebtInstrumentCovenantConsolidatedLeverageRatio_C28DEE53C53B5E63776B731220F01346" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leverage ratio</link:label>
    <link:label id="lab_mms_DebtInstrumentCovenantConsolidatedLeverageRatio_C28DEE53C53B5E63776B731220F01346_label_en-US" xlink:label="lab_mms_DebtInstrumentCovenantConsolidatedLeverageRatio_C28DEE53C53B5E63776B731220F01346" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Covenant Consolidated Leverage Ratio</link:label>
    <link:label id="lab_mms_DebtInstrumentCovenantConsolidatedLeverageRatio_C28DEE53C53B5E63776B731220F01346_documentation_en-US" xlink:label="lab_mms_DebtInstrumentCovenantConsolidatedLeverageRatio_C28DEE53C53B5E63776B731220F01346" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The total leverage ratio under the terms of the credit facility covenants. If the entity exceeds this ratio, the credit agreement will become secured by the assets of the entity and certain of the entity's subsidiaries.</link:label>
    <link:loc xlink:href="mms-20160930.xsd#mms_DebtInstrumentCovenantConsolidatedLeverageRatio" xlink:label="loc_mms_DebtInstrumentCovenantConsolidatedLeverageRatio_C28DEE53C53B5E63776B731220F01346" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mms_DebtInstrumentCovenantConsolidatedLeverageRatio_C28DEE53C53B5E63776B731220F01346" xlink:to="lab_mms_DebtInstrumentCovenantConsolidatedLeverageRatio_C28DEE53C53B5E63776B731220F01346" xlink:type="arc" />
    <link:label id="lab_mms_DebtInstrumentCovenantConsolidatedLeverageRatioActual_6FBD2EFBED749833F3D0731220F13F55_terseLabel_en-US" xlink:label="lab_mms_DebtInstrumentCovenantConsolidatedLeverageRatioActual_6FBD2EFBED749833F3D0731220F13F55" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total leverage ratio (less than)</link:label>
    <link:label id="lab_mms_DebtInstrumentCovenantConsolidatedLeverageRatioActual_6FBD2EFBED749833F3D0731220F13F55_label_en-US" xlink:label="lab_mms_DebtInstrumentCovenantConsolidatedLeverageRatioActual_6FBD2EFBED749833F3D0731220F13F55" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Covenant Consolidated Leverage Ratio Actual</link:label>
    <link:label id="lab_mms_DebtInstrumentCovenantConsolidatedLeverageRatioActual_6FBD2EFBED749833F3D0731220F13F55_documentation_en-US" xlink:label="lab_mms_DebtInstrumentCovenantConsolidatedLeverageRatioActual_6FBD2EFBED749833F3D0731220F13F55" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The actual total leverage ratio of the entity as of the balance sheet date.</link:label>
    <link:loc xlink:href="mms-20160930.xsd#mms_DebtInstrumentCovenantConsolidatedLeverageRatioActual" xlink:label="loc_mms_DebtInstrumentCovenantConsolidatedLeverageRatioActual_6FBD2EFBED749833F3D0731220F13F55" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mms_DebtInstrumentCovenantConsolidatedLeverageRatioActual_6FBD2EFBED749833F3D0731220F13F55" xlink:to="lab_mms_DebtInstrumentCovenantConsolidatedLeverageRatioActual_6FBD2EFBED749833F3D0731220F13F55" xlink:type="arc" />
    <link:label id="lab_mms_DebtInstrumentPercentagetoCalculateUnusedCapacityCommitmentFee_D717B213C2BC1371332C731220F1D0A9_terseLabel_en-US" xlink:label="lab_mms_DebtInstrumentPercentagetoCalculateUnusedCapacityCommitmentFee_D717B213C2BC1371332C731220F1D0A9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leverage ratio to calculate annual commitment fee (as a percent)</link:label>
    <link:label id="lab_mms_DebtInstrumentPercentagetoCalculateUnusedCapacityCommitmentFee_D717B213C2BC1371332C731220F1D0A9_label_en-US" xlink:label="lab_mms_DebtInstrumentPercentagetoCalculateUnusedCapacityCommitmentFee_D717B213C2BC1371332C731220F1D0A9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Percentage to Calculate Unused Capacity Commitment Fee</link:label>
    <link:label id="lab_mms_DebtInstrumentPercentagetoCalculateUnusedCapacityCommitmentFee_D717B213C2BC1371332C731220F1D0A9_documentation_en-US" xlink:label="lab_mms_DebtInstrumentPercentagetoCalculateUnusedCapacityCommitmentFee_D717B213C2BC1371332C731220F1D0A9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the percentage used to calculate the unused capacity commitment fee which is based on the total leverage ratio under the terms of the credit facility covenants.</link:label>
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    <link:label id="lab_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_DE8B394F407997F80E4AF8DD039DE9B3_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_DE8B394F407997F80E4AF8DD039DE9B3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingencies</link:label>
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_DE8B394F407997F80E4AF8DD039DE9B3_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_DE8B394F407997F80E4AF8DD039DE9B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommitmentsAndContingenciesPolicyTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_DE8B394F407997F80E4AF8DD039DE9B3" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_F43238E67AB700EFA125F8DD039DDF77_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_F43238E67AB700EFA125F8DD039DDF77" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value measurements</link:label>
    <link:label id="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_F43238E67AB700EFA125F8DD039DDF77_label_en-US" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_F43238E67AB700EFA125F8DD039DDF77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value of Financial Instruments, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy_F43238E67AB700EFA125F8DD039DDF77" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RevenueRecognitionAbstract_84BF05ED5674DFED6CB94F9AE1E4DB18_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRecognitionAbstract_84BF05ED5674DFED6CB94F9AE1E4DB18" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue Recognition</link:label>
    <link:label id="lab_us-gaap_RevenueRecognitionAbstract_84BF05ED5674DFED6CB94F9AE1E4DB18_label_en-US" xlink:label="lab_us-gaap_RevenueRecognitionAbstract_84BF05ED5674DFED6CB94F9AE1E4DB18" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue Recognition [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RevenueRecognitionAbstract" xlink:label="loc_us-gaap_RevenueRecognitionAbstract_84BF05ED5674DFED6CB94F9AE1E4DB18" xlink:type="locator" />
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    <link:label id="lab_us-gaap_MajorCustomersAxis_CA06653B403DAE85B6D94F9AE1E403B0_terseLabel_en-US" xlink:label="lab_us-gaap_MajorCustomersAxis_CA06653B403DAE85B6D94F9AE1E403B0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer [Axis]</link:label>
    <link:label id="lab_us-gaap_MajorCustomersAxis_CA06653B403DAE85B6D94F9AE1E403B0_label_en-US" xlink:label="lab_us-gaap_MajorCustomersAxis_CA06653B403DAE85B6D94F9AE1E403B0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer [Axis]</link:label>
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    <link:label id="lab_us-gaap_NameOfMajorCustomerDomain_21220A7FB96488B551AF4F9AE1E47754_terseLabel_en-US" xlink:label="lab_us-gaap_NameOfMajorCustomerDomain_21220A7FB96488B551AF4F9AE1E47754" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer [Domain]</link:label>
    <link:label id="lab_us-gaap_NameOfMajorCustomerDomain_21220A7FB96488B551AF4F9AE1E47754_label_en-US" xlink:label="lab_us-gaap_NameOfMajorCustomerDomain_21220A7FB96488B551AF4F9AE1E47754" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="loc_us-gaap_NameOfMajorCustomerDomain_21220A7FB96488B551AF4F9AE1E47754" xlink:type="locator" />
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    <link:label id="lab_mms_FederalGovernmentAgenciesMember_66008293480FC67EDDD34F9AE1E58B34_terseLabel_en-US" xlink:label="lab_mms_FederalGovernmentAgenciesMember_66008293480FC67EDDD34F9AE1E58B34" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">U.S. Federal</link:label>
    <link:label id="lab_mms_FederalGovernmentAgenciesMember_66008293480FC67EDDD34F9AE1E58B34_label_en-US" xlink:label="lab_mms_FederalGovernmentAgenciesMember_66008293480FC67EDDD34F9AE1E58B34" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Federal Government Agencies [Member]</link:label>
    <link:label id="lab_mms_FederalGovernmentAgenciesMember_66008293480FC67EDDD34F9AE1E58B34_documentation_en-US" xlink:label="lab_mms_FederalGovernmentAgenciesMember_66008293480FC67EDDD34F9AE1E58B34" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the federal government agency customers of the entity from which revenue is derived.</link:label>
    <link:loc xlink:href="mms-20160930.xsd#mms_FederalGovernmentAgenciesMember" xlink:label="loc_mms_FederalGovernmentAgenciesMember_66008293480FC67EDDD34F9AE1E58B34" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mms_FederalGovernmentAgenciesMember_66008293480FC67EDDD34F9AE1E58B34" xlink:to="lab_mms_FederalGovernmentAgenciesMember_66008293480FC67EDDD34F9AE1E58B34" xlink:type="arc" />
    <link:label id="lab_mms_UnitedKingdomGovernmentMember_2869DA1AE4AA8FE735264F9AE1E507DB_terseLabel_en-US" xlink:label="lab_mms_UnitedKingdomGovernmentMember_2869DA1AE4AA8FE735264F9AE1E507DB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">United Kingdom Government</link:label>
    <link:label id="lab_mms_UnitedKingdomGovernmentMember_2869DA1AE4AA8FE735264F9AE1E507DB_label_en-US" xlink:label="lab_mms_UnitedKingdomGovernmentMember_2869DA1AE4AA8FE735264F9AE1E507DB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">United Kingdom Government [Member]</link:label>
    <link:label id="lab_mms_UnitedKingdomGovernmentMember_2869DA1AE4AA8FE735264F9AE1E507DB_documentation_en-US" xlink:label="lab_mms_UnitedKingdomGovernmentMember_2869DA1AE4AA8FE735264F9AE1E507DB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">United Kingdom Government [Member]</link:label>
    <link:loc xlink:href="mms-20160930.xsd#mms_UnitedKingdomGovernmentMember" xlink:label="loc_mms_UnitedKingdomGovernmentMember_2869DA1AE4AA8FE735264F9AE1E507DB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mms_UnitedKingdomGovernmentMember_2869DA1AE4AA8FE735264F9AE1E507DB" xlink:to="lab_mms_UnitedKingdomGovernmentMember_2869DA1AE4AA8FE735264F9AE1E507DB" xlink:type="arc" />
    <link:label id="lab_mms_StateOfNewYorkMember_84702C0EB72558168BB44F9AE1E51FAB_terseLabel_en-US" xlink:label="lab_mms_StateOfNewYorkMember_84702C0EB72558168BB44F9AE1E51FAB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">State of New York</link:label>
    <link:label id="lab_mms_StateOfNewYorkMember_84702C0EB72558168BB44F9AE1E51FAB_label_en-US" xlink:label="lab_mms_StateOfNewYorkMember_84702C0EB72558168BB44F9AE1E51FAB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">State Of New York [Member]</link:label>
    <link:label id="lab_mms_StateOfNewYorkMember_84702C0EB72558168BB44F9AE1E51FAB_documentation_en-US" xlink:label="lab_mms_StateOfNewYorkMember_84702C0EB72558168BB44F9AE1E51FAB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to the State of New York, an external customer that accounts for ten percent or more of the entity's revenues.</link:label>
    <link:loc xlink:href="mms-20160930.xsd#mms_StateOfNewYorkMember" xlink:label="loc_mms_StateOfNewYorkMember_84702C0EB72558168BB44F9AE1E51FAB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mms_StateOfNewYorkMember_84702C0EB72558168BB44F9AE1E51FAB" xlink:to="lab_mms_StateOfNewYorkMember_84702C0EB72558168BB44F9AE1E51FAB" xlink:type="arc" />
    <link:label id="lab_mms_GovernmentOfAustraliaMember_0B4F4A537838B86A25D84F9AE1E5EFF4_terseLabel_en-US" xlink:label="lab_mms_GovernmentOfAustraliaMember_0B4F4A537838B86A25D84F9AE1E5EFF4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Australia</link:label>
    <link:label id="lab_mms_GovernmentOfAustraliaMember_0B4F4A537838B86A25D84F9AE1E5EFF4_label_en-US" xlink:label="lab_mms_GovernmentOfAustraliaMember_0B4F4A537838B86A25D84F9AE1E5EFF4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Government Of Australia [Member]</link:label>
    <link:label id="lab_mms_GovernmentOfAustraliaMember_0B4F4A537838B86A25D84F9AE1E5EFF4_documentation_en-US" xlink:label="lab_mms_GovernmentOfAustraliaMember_0B4F4A537838B86A25D84F9AE1E5EFF4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to Australia, an external customer that accounts for ten percent or more of the entity's revenues.</link:label>
    <link:loc xlink:href="mms-20160930.xsd#mms_GovernmentOfAustraliaMember" xlink:label="loc_mms_GovernmentOfAustraliaMember_0B4F4A537838B86A25D84F9AE1E5EFF4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mms_GovernmentOfAustraliaMember_0B4F4A537838B86A25D84F9AE1E5EFF4" xlink:to="lab_mms_GovernmentOfAustraliaMember_0B4F4A537838B86A25D84F9AE1E5EFF4" xlink:type="arc" />
    <link:label id="lab_mms_StateOfCaliforniaMember_630395399465722C660E4F9AE1E5B467_terseLabel_en-US" xlink:label="lab_mms_StateOfCaliforniaMember_630395399465722C660E4F9AE1E5B467" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">State of California</link:label>
    <link:label id="lab_mms_StateOfCaliforniaMember_630395399465722C660E4F9AE1E5B467_label_en-US" xlink:label="lab_mms_StateOfCaliforniaMember_630395399465722C660E4F9AE1E5B467" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">State Of California [Member]</link:label>
    <link:label id="lab_mms_StateOfCaliforniaMember_630395399465722C660E4F9AE1E5B467_documentation_en-US" xlink:label="lab_mms_StateOfCaliforniaMember_630395399465722C660E4F9AE1E5B467" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to The State of California, an external customer that accounts for ten percent or more of the entity's revenues.</link:label>
    <link:loc xlink:href="mms-20160930.xsd#mms_StateOfCaliforniaMember" xlink:label="loc_mms_StateOfCaliforniaMember_630395399465722C660E4F9AE1E5B467" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mms_StateOfCaliforniaMember_630395399465722C660E4F9AE1E5B467" xlink:to="lab_mms_StateOfCaliforniaMember_630395399465722C660E4F9AE1E5B467" xlink:type="arc" />
    <link:label id="lab_mms_StateOfTexasMember_1964E674C9CD2DC760D94F9AE1E5AA24_terseLabel_en-US" xlink:label="lab_mms_StateOfTexasMember_1964E674C9CD2DC760D94F9AE1E5AA24" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">State of Texas</link:label>
    <link:label id="lab_mms_StateOfTexasMember_1964E674C9CD2DC760D94F9AE1E5AA24_label_en-US" xlink:label="lab_mms_StateOfTexasMember_1964E674C9CD2DC760D94F9AE1E5AA24" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">State Of Texas [Member]</link:label>
    <link:label id="lab_mms_StateOfTexasMember_1964E674C9CD2DC760D94F9AE1E5AA24_documentation_en-US" xlink:label="lab_mms_StateOfTexasMember_1964E674C9CD2DC760D94F9AE1E5AA24" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to The State of Texas, an external customer that accounts for ten percent or more of the entity's revenues.</link:label>
    <link:loc xlink:href="mms-20160930.xsd#mms_StateOfTexasMember" xlink:label="loc_mms_StateOfTexasMember_1964E674C9CD2DC760D94F9AE1E5AA24" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ConcentrationRiskPercentage1_8A2211B5A3D409F21EFF4F9AE1E627C5_verboseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1_8A2211B5A3D409F21EFF4F9AE1E627C5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Revenue from major customers (as a percent)</link:label>
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    <link:label id="lab_us-gaap_GuaranteesAbstract_FEA8D9DB448305EBDDB977666EF673DE_terseLabel_en-US" xlink:label="lab_us-gaap_GuaranteesAbstract_FEA8D9DB448305EBDDB977666EF673DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Performance bonds</link:label>
    <link:label id="lab_us-gaap_GuaranteesAbstract_FEA8D9DB448305EBDDB977666EF673DE_label_en-US" xlink:label="lab_us-gaap_GuaranteesAbstract_FEA8D9DB448305EBDDB977666EF673DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantees [Abstract]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_DD9F515F779E5774E90077666EF635D9" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeasesRentExpenseNet_531D0303E247D142777377666EF6BA63_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesRentExpenseNet_531D0303E247D142777377666EF6BA63" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease expense</link:label>
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    <link:label id="lab_mms_TrademarksTradeNamesMember_1928E559ABB82EF4B70F54843360C047_terseLabel_en-US" xlink:label="lab_mms_TrademarksTradeNamesMember_1928E559ABB82EF4B70F54843360C047" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trademarks and trade names</link:label>
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    <link:label id="lab_mms_TrademarksTradeNamesMember_1928E559ABB82EF4B70F54843360C047_documentation_en-US" xlink:label="lab_mms_TrademarksTradeNamesMember_1928E559ABB82EF4B70F54843360C047" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the Rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style and rights acquired through registration of a business name to gain or protect exclusive use thereof.</link:label>
    <link:loc xlink:href="mms-20160930.xsd#mms_TrademarksTradeNamesMember" xlink:label="loc_mms_TrademarksTradeNamesMember_1928E559ABB82EF4B70F54843360C047" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_4930B0779DAB27BD427F54843360FFB8_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_4930B0779DAB27BD427F54843360FFB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_4930B0779DAB27BD427F54843360FFB8" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_020C36B5BE7EF681B6B65484336027E4" xlink:type="locator" />
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    <link:label id="lab_mms_SalesTargetsMember_D388F45ED4D29ADA8A706DB213FA916F_terseLabel_en-US" xlink:label="lab_mms_SalesTargetsMember_D388F45ED4D29ADA8A706DB213FA916F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sales targets</link:label>
    <link:label id="lab_mms_SalesTargetsMember_D388F45ED4D29ADA8A706DB213FA916F_label_en-US" xlink:label="lab_mms_SalesTargetsMember_D388F45ED4D29ADA8A706DB213FA916F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales Targets [Member]</link:label>
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    <link:label id="lab_mms_RemployLimitedMember_74F61B5F433FEF0DC5E37359EFB27AC8_terseLabel_en-US" xlink:label="lab_mms_RemployLimitedMember_74F61B5F433FEF0DC5E37359EFB27AC8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remploy</link:label>
    <link:label id="lab_mms_RemployLimitedMember_74F61B5F433FEF0DC5E37359EFB27AC8_label_en-US" xlink:label="lab_mms_RemployLimitedMember_74F61B5F433FEF0DC5E37359EFB27AC8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Remploy Limited [Member]</link:label>
    <link:label id="lab_mms_RemployLimitedMember_74F61B5F433FEF0DC5E37359EFB27AC8_documentation_en-US" xlink:label="lab_mms_RemployLimitedMember_74F61B5F433FEF0DC5E37359EFB27AC8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to Remploy Limited, an acquiree of the entity.</link:label>
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    <link:label id="lab_us-gaap_ContractBasedIntangibleAssetsMember_05224E9D5FC2A36E85727359EFB2E57A_terseLabel_en-US" xlink:label="lab_us-gaap_ContractBasedIntangibleAssetsMember_05224E9D5FC2A36E85727359EFB2E57A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contract-based intangible assets</link:label>
    <link:label id="lab_us-gaap_ContractBasedIntangibleAssetsMember_05224E9D5FC2A36E85727359EFB2E57A_label_en-US" xlink:label="lab_us-gaap_ContractBasedIntangibleAssetsMember_05224E9D5FC2A36E85727359EFB2E57A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract-Based Intangible Assets [Member]</link:label>
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    <link:label id="lab_mms_BusinessAcquisitionPercentageOfVotingInterestsHeldInTrustForBenefitOfEmployees_05B35E6C64C38C5A9B557359EFB2D0C0_terseLabel_en-US" xlink:label="lab_mms_BusinessAcquisitionPercentageOfVotingInterestsHeldInTrustForBenefitOfEmployees_05B35E6C64C38C5A9B557359EFB2D0C0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share capital held in trust for the benefit of employees (as a percent)</link:label>
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    <link:label id="lab_mms_BusinessCombinationNetAssetsOnAcquireeBalanceSheetOnDateOfAcquisition_38FDC40AB908E7E080E47359EFB256CB_terseLabel_en-US" xlink:label="lab_mms_BusinessCombinationNetAssetsOnAcquireeBalanceSheetOnDateOfAcquisition_38FDC40AB908E7E080E47359EFB256CB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net assets</link:label>
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    <link:label id="lab_us-gaap_OperatingLossCarryforwardsTable_30018A856184D71300CA788D2CBFE522_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLossCarryforwardsTable_30018A856184D71300CA788D2CBFE522" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Loss Carryforwards [Table]</link:label>
    <link:label id="lab_us-gaap_OperatingLossCarryforwardsTable_30018A856184D71300CA788D2CBFE522_label_en-US" xlink:label="lab_us-gaap_OperatingLossCarryforwardsTable_30018A856184D71300CA788D2CBFE522" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Loss Carryforwards [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLossCarryforwardsTable" xlink:label="loc_us-gaap_OperatingLossCarryforwardsTable_30018A856184D71300CA788D2CBFE522" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLossCarryforwardsLineItems_F47896131AFA50CF0458788D2CBF7756_label_en-US" xlink:label="lab_us-gaap_OperatingLossCarryforwardsLineItems_F47896131AFA50CF0458788D2CBF7756" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Loss Carryforwards [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLossCarryforwardsLineItems" xlink:label="loc_us-gaap_OperatingLossCarryforwardsLineItems_F47896131AFA50CF0458788D2CBF7756" xlink:type="locator" />
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    <link:label id="lab_mms_CumulativeEarningsFromForeignSubsidiaries_70E5C901066931B5648B788D2CBFAA76_terseLabel_en-US" xlink:label="lab_mms_CumulativeEarningsFromForeignSubsidiaries_70E5C901066931B5648B788D2CBFAA76" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cumulative earnings from foreign subsidiaries</link:label>
    <link:label id="lab_mms_CumulativeEarningsFromForeignSubsidiaries_70E5C901066931B5648B788D2CBFAA76_label_en-US" xlink:label="lab_mms_CumulativeEarningsFromForeignSubsidiaries_70E5C901066931B5648B788D2CBFAA76" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cumulative Earnings from Foreign Subsidiaries</link:label>
    <link:label id="lab_mms_CumulativeEarningsFromForeignSubsidiaries_70E5C901066931B5648B788D2CBFAA76_documentation_en-US" xlink:label="lab_mms_CumulativeEarningsFromForeignSubsidiaries_70E5C901066931B5648B788D2CBFAA76" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents Unrepatriated foreign earnings, upon which no federal or state taxes have been provided, that are considered to be permanently reinvested abroad, as of the balance sheet date.</link:label>
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    <link:label id="lab_us-gaap_IncomeTaxesPaid_6ACB1E7C5E626FA7EA7E788D2CBF66AE_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaid_6ACB1E7C5E626FA7EA7E788D2CBF66AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income taxes paid</link:label>
    <link:label id="lab_us-gaap_IncomeTaxesPaid_6ACB1E7C5E626FA7EA7E788D2CBF66AE_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaid_6ACB1E7C5E626FA7EA7E788D2CBF66AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Taxes Paid</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxesPaid" xlink:label="loc_us-gaap_IncomeTaxesPaid_6ACB1E7C5E626FA7EA7E788D2CBF66AE" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense_72EC4EA792522A8AD38A788D2CBF59A5" xlink:type="locator" />
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    <link:label id="lab_mms_DividendPayable_D5EDCBD2D701004F17E80A2D1E613A5D_terseLabel_en-US" xlink:label="lab_mms_DividendPayable_D5EDCBD2D701004F17E80A2D1E613A5D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividend payable</link:label>
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    <link:label id="lab_mms_ForeignCustomersMember_BA09836599E512C69C8E60E4F2EC036E_terseLabel_en-US" xlink:label="lab_mms_ForeignCustomersMember_BA09836599E512C69C8E60E4F2EC036E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign customers</link:label>
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